Writing board



FIG. 1 is a front elevational view of the writing board;

FIG. 2 is a top plan view of the writing board;

FIG. 3 is a bottom plan view of the writing board;

FIG. 4 is a left side elevational view of the writing board; and,

FIG. 5 is a right side elevational view of the writing board.

The ornamental design for a writing board, as shown and described.